<template>
  <div class="login-container">
    <video
      src="@/assets/video.mp4"
      autoplay="autoplay"
      loop="loop"
      muted="muted"
      style="width: 100%; height: 100%; object-fit: fill"
    />
    <el-form
      ref="loginForm"
      :model="loginForm"
      :rules="loginRules"
      class="login-form"
      auto-complete="on"
      label-position="left"
    >
      <div class="title-container">
        <img src="@/assets/logo1.png" alt="">
      </div>

      <el-form-item prop="account">
        <span class="svg-container">
          <svg-icon icon-class="user" />
        </span>
        <el-input
          ref="account"
          v-model="loginForm.account"
          placeholder="请输入用户名"
          name="account"
          type="text"
          tabindex="1"
          auto-complete="on"
        />
      </el-form-item>

      <el-form-item prop="password">
        <span class="svg-container">
          <svg-icon icon-class="password" />
        </span>
        <el-input
          :key="passwordType"
          ref="password"
          v-model="loginForm.password"
          :type="passwordType"
          placeholder="请输入密码"
          name="password"
          tabindex="2"
          auto-complete="on"
          @keyup.enter.native="handleLogin"
        />
        <span class="show-pwd" @click="showPwd">
          <svg-icon
            :icon-class="passwordType === 'password' ? 'eye' : 'eye-open'"
          />
        </span>
      </el-form-item>
      <el-form-item prop="code">
        <span class="svg-container">
          <svg-icon icon-class="password" />
        </span>
        <el-input
          ref="code"
          v-model="loginForm.code"
          placeholder="验证码"
          name="code"
          type="text"
          tabindex="3"
          auto-complete="on"
        />
        <img :src="image" class="verification" @click="verification">

      </el-form-item>

      <el-button
        :loading="loading"
        type="primary"
        style="width: 100%; margin-bottom: 30px; background:orange;border:none"
        @click="handleLogin"
      >登录</el-button>
    </el-form>
  </div>
</template>

<script>
import { randomNum, verification } from '@/api/user'
// randomNum,

export default {
  name: 'Login',
  data() {
    return {
      loginForm: {
        account: 'shenlingadmin',
        password: '123456',
        tenant: '0000',
        bindAccount: '',
        bindPassword: '',
        signAccount: '',
        signPassword: '',
        code: '',
        key: ''
      },

      image: 'null',
      loginRules: {
        account: [
          {
            required: true,
            message: '用户名不能为空',
            trigger: 'blur'
          },
          {
            min: 2,
            max: 30,
            message: '长度在 2 到 30 个字符',
            trigger: 'blur'
          }
        ],
        password: [
          {
            required: true,
            message: '密码不能为空',
            trigger: 'blur'
          },
          {
            min: 6,
            max: 16,
            message: '长度在 6 到 16 个字符',
            trigger: 'blur'
          }
        ],
        code: [
          {
            required: true,
            message: '验证码不能为空',
            trigger: 'blur'
          },
          {

          }
        ]
      },
      loading: false,
      passwordType: 'password',
      redirect: undefined
    }
  },
  computed: {

  },

  watch: {
    $route: {
      handler: function(route) {
        this.redirect = route.query && route.query.redirect
      },
      immediate: true
    }
  },
  created() {
    this.verificationCode()
  },
  methods: {
    showPwd() {
      if (this.passwordType === 'password') {
        this.passwordType = ''
      } else {
        this.passwordType = 'password'
      }
      this.$nextTick(() => {
        this.$refs.password.focus()
      })
    },
    async  loginOk() {
      await this.$store.dispatch('user/login', this.loginForm)
      this.$router.push('/')
    },
    handleLogin() {
      this.$refs.loginForm.validate(valid => {
        if (valid) {
          this.loginOk()
        }
      })
    },
    async  verificationCode() {
      const num = randomNum()
      const res = await verification(num)
      this.loginForm.key = num
      const blob = new Blob([res], { type: 'image/png' })

      this.image = URL.createObjectURL(blob)
      // console.log(res)
      console.log(this.image)
    },
    async verification() {
      this.verificationCode()
    }
  }
}
</script>

<style lang="scss">
/* 修复input 背景不协调 和光标变色 */
/* Detail see https://github.com/PanJiaChen/vue-element-admin/pull/927 */

$bg: #fff;
$light_gray: #000;
$cursor: #000;

@supports (-webkit-mask: none) and (not (cater-color: $cursor)) {
  .login-container .el-input input {
    color: $cursor;
  }
}

/* reset element-ui css */
.login-container {

  .el-input {
    display: inline-block;
    height: 47px;
    width: 85%;

    input {
      background: transparent;
      border: 0px;

      border-radius: 0px;
      padding: 12px 5px 12px 15px;
      color: $light_gray;
      height: 47px;
      caret-color: $cursor;

      &:-webkit-autofill {
        box-shadow: 0 0 0px 1000px $bg inset !important;
        -webkit-text-fill-color: $cursor !important;
      }
    }
  }

  .el-form-item {
    border: 1px solid #dcdfe6;
    // background: rgba(0, 0, 0, 0.1);
    border-radius: 5px;
    color: #454545;
  }
}
</style>

<style lang="scss" scoped>
$bg: #fff;
$dark_gray: #889aa4;
$light_gray: #000;

.login-container {
  min-height: 100%;
  width: 100%;
  background-color: $bg;
  overflow: hidden;
.verification{
  position: absolute;
  right: 0px;
  top: 5px;
  border-radius: 10px;
}
  video {
    position: absolute;
  }

  .login-form {
    position: relative;
    top: 150px;
    width: 520px;
    max-width: 100%;
    padding: 100px 55px 20px;
    margin: 0 auto;
    overflow: hidden;
    background-color: #fff;
    border-radius: 20px;
  }

  .tips {
    font-size: 14px;
    color: #fff;
    margin-bottom: 10px;

    span {
      &:first-of-type {
        margin-right: 16px;
      }
    }
  }

  .svg-container {
    padding: 6px 5px 6px 15px;
    color: $dark_gray;
    vertical-align: middle;
    width: 30px;
    display: inline-block;
  }

  .title-container {
    position: relative;

    img {
      width: 200px;
      bottom: 50px;
      position: relative;
      left: 100px;
    }
  }

  .show-pwd {
    position: absolute;
    right: 10px;
    top: 7px;
    font-size: 16px;
    color: $dark_gray;
    cursor: pointer;
    user-select: none;
  }

}
</style>
